/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedVariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 06:40:51,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 06:40:51,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 06:40:51,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 06:40:51,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 06:40:51,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 06:40:51,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 06:40:51,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 06:40:51,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 06:40:51,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 06:40:51,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 06:40:51,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 06:40:51,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 06:40:51,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 06:40:51,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 06:40:51,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 06:40:51,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 06:40:51,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 06:40:51,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 06:40:51,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 06:40:51,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 06:40:51,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 06:40:51,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 06:40:51,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 06:40:51,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-25 06:40:51,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-25 06:40:51,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-25 06:40:51,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-25 06:40:51,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-25 06:40:51,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-25 06:40:51,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 06:40:51,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 06:40:51,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 06:40:51,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 06:40:51,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 06:40:51,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 06:40:51,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 06:40:51,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 06:40:51,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 06:40:51,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 06:40:51,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 06:40:51,513 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedVariableLbe.epf [2021-03-25 06:40:51,547 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 06:40:51,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 06:40:51,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 06:40:51,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 06:40:51,551 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 06:40:51,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 06:40:51,551 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 06:40:51,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 06:40:51,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 06:40:51,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 06:40:51,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 06:40:51,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 06:40:51,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 06:40:51,553 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 06:40:51,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 06:40:51,553 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 06:40:51,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 06:40:51,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 06:40:51,554 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 06:40:51,554 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 06:40:51,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 06:40:51,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 06:40:51,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 06:40:51,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 06:40:51,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 06:40:51,555 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 06:40:51,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 06:40:51,555 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-25 06:40:51,555 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 06:40:51,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 06:40:51,556 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 06:40:51,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 06:40:51,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 06:40:51,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 06:40:51,862 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 06:40:51,872 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 06:40:51,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i [2021-03-25 06:40:51,921 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5937faec2/c941ce497f0d47eb9ae67c6404576cb2/FLAG3b72d6959 [2021-03-25 06:40:52,331 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 06:40:52,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i [2021-03-25 06:40:52,343 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5937faec2/c941ce497f0d47eb9ae67c6404576cb2/FLAG3b72d6959 [2021-03-25 06:40:52,657 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5937faec2/c941ce497f0d47eb9ae67c6404576cb2 [2021-03-25 06:40:52,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 06:40:52,662 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 06:40:52,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 06:40:52,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 06:40:52,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 06:40:52,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 06:40:52" (1/1) ... [2021-03-25 06:40:52,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@164d39f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:40:52, skipping insertion in model container [2021-03-25 06:40:52,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 06:40:52" (1/1) ... [2021-03-25 06:40:52,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 06:40:52,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 06:40:52,946 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i[29913,29926] [2021-03-25 06:40:53,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 06:40:53,019 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 06:40:53,064 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i[29913,29926] [2021-03-25 06:40:53,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 06:40:53,148 INFO L208 MainTranslator]: Completed translation [2021-03-25 06:40:53,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:40:53 WrapperNode [2021-03-25 06:40:53,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 06:40:53,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 06:40:53,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 06:40:53,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 06:40:53,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:40:53" (1/1) ... [2021-03-25 06:40:53,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:40:53" (1/1) ... [2021-03-25 06:40:53,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 06:40:53,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 06:40:53,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 06:40:53,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 06:40:53,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:40:53" (1/1) ... [2021-03-25 06:40:53,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:40:53" (1/1) ... [2021-03-25 06:40:53,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:40:53" (1/1) ... [2021-03-25 06:40:53,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:40:53" (1/1) ... [2021-03-25 06:40:53,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:40:53" (1/1) ... [2021-03-25 06:40:53,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:40:53" (1/1) ... [2021-03-25 06:40:53,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:40:53" (1/1) ... [2021-03-25 06:40:53,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 06:40:53,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 06:40:53,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 06:40:53,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 06:40:53,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:40:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 06:40:53,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-25 06:40:53,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 06:40:53,321 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-25 06:40:53,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 06:40:53,321 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-03-25 06:40:53,321 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-03-25 06:40:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 06:40:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 06:40:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 06:40:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 06:40:53,324 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 06:40:53,676 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 06:40:53,676 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-03-25 06:40:53,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 06:40:53 BoogieIcfgContainer [2021-03-25 06:40:53,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 06:40:53,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 06:40:53,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 06:40:53,681 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 06:40:53,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 06:40:52" (1/3) ... [2021-03-25 06:40:53,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66d63922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 06:40:53, skipping insertion in model container [2021-03-25 06:40:53,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:40:53" (2/3) ... [2021-03-25 06:40:53,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66d63922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 06:40:53, skipping insertion in model container [2021-03-25 06:40:53,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 06:40:53" (3/3) ... [2021-03-25 06:40:53,689 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_46-escape_racefree.i [2021-03-25 06:40:53,694 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 06:40:53,702 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-25 06:40:53,703 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 06:40:53,738 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,738 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,738 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,738 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,739 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,739 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,739 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,739 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,739 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,739 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,740 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,740 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,740 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,740 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,740 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,740 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,740 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,741 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,741 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,741 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,741 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,741 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,742 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,742 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,742 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,742 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,742 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,742 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,743 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,743 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,743 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,743 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,745 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,745 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,745 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,745 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,745 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,745 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,745 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,746 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,746 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,746 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,746 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,746 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,746 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,746 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,747 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,747 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,748 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,748 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,748 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,748 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,748 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,748 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,749 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,749 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,749 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,751 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,751 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,755 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,756 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,756 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,756 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,757 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,757 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,757 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,757 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,757 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,758 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,758 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:40:53,765 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-03-25 06:40:53,778 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-03-25 06:40:53,796 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 06:40:53,796 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 06:40:53,796 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 06:40:53,796 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 06:40:53,796 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 06:40:53,796 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 06:40:53,796 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 06:40:53,797 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 06:40:53,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 99 transitions, 206 flow [2021-03-25 06:40:53,855 INFO L129 PetriNetUnfolder]: 9/98 cut-off events. [2021-03-25 06:40:53,855 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 06:40:53,861 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 98 events. 9/98 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 143 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 54. Up to 3 conditions per place. [2021-03-25 06:40:53,862 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 99 transitions, 206 flow [2021-03-25 06:40:53,865 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 89 transitions, 181 flow [2021-03-25 06:40:53,867 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:40:53,885 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 89 transitions, 181 flow [2021-03-25 06:40:53,889 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 89 transitions, 181 flow [2021-03-25 06:40:53,890 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 89 transitions, 181 flow [2021-03-25 06:40:53,931 INFO L129 PetriNetUnfolder]: 9/89 cut-off events. [2021-03-25 06:40:53,931 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 06:40:53,932 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 89 events. 9/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 125 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 54. Up to 3 conditions per place. [2021-03-25 06:40:53,935 INFO L142 LiptonReduction]: Number of co-enabled transitions 1386 [2021-03-25 06:40:55,482 INFO L154 LiptonReduction]: Checked pairs total: 1020 [2021-03-25 06:40:55,483 INFO L156 LiptonReduction]: Total number of compositions: 43 [2021-03-25 06:40:55,484 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1618 [2021-03-25 06:40:55,493 INFO L129 PetriNetUnfolder]: 3/39 cut-off events. [2021-03-25 06:40:55,493 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 06:40:55,494 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:40:55,494 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:40:55,494 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 06:40:55,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:40:55,498 INFO L82 PathProgramCache]: Analyzing trace with hash -336379186, now seen corresponding path program 1 times [2021-03-25 06:40:55,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:40:55,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908011971] [2021-03-25 06:40:55,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:40:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:40:55,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:40:55,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 06:40:55,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:40:55,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:40:55,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:40:55,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:40:55,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:40:55,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 06:40:55,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:40:55,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 06:40:55,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 06:40:55,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908011971] [2021-03-25 06:40:55,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 06:40:55,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 06:40:55,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939143914] [2021-03-25 06:40:55,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 06:40:55,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 06:40:55,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 06:40:55,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-25 06:40:55,737 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 142 [2021-03-25 06:40:55,739 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 55 transitions, 113 flow. Second operand has 6 states, 6 states have (on average 76.0) internal successors, (456), 6 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:40:55,739 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 06:40:55,739 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 142 [2021-03-25 06:40:55,740 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 06:40:55,936 INFO L129 PetriNetUnfolder]: 41/237 cut-off events. [2021-03-25 06:40:55,936 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 06:40:55,938 INFO L84 FinitePrefix]: Finished finitePrefix Result has 353 conditions, 237 events. 41/237 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1185 event pairs, 10 based on Foata normal form. 93/325 useless extension candidates. Maximal degree in co-relation 332. Up to 34 conditions per place. [2021-03-25 06:40:55,940 INFO L132 encePairwiseOnDemand]: 125/142 looper letters, 14 selfloop transitions, 2 changer transitions 36/77 dead transitions. [2021-03-25 06:40:55,940 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 77 transitions, 257 flow [2021-03-25 06:40:55,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 06:40:55,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 06:40:55,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 982 transitions. [2021-03-25 06:40:55,959 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5762910798122066 [2021-03-25 06:40:55,961 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 982 transitions. [2021-03-25 06:40:55,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 982 transitions. [2021-03-25 06:40:55,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 06:40:55,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 982 transitions. [2021-03-25 06:40:55,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 81.83333333333333) internal successors, (982), 12 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:40:55,980 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 142.0) internal successors, (1846), 13 states have internal predecessors, (1846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:40:55,981 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 142.0) internal successors, (1846), 13 states have internal predecessors, (1846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:40:55,982 INFO L185 Difference]: Start difference. First operand has 50 places, 55 transitions, 113 flow. Second operand 12 states and 982 transitions. [2021-03-25 06:40:55,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 77 transitions, 257 flow [2021-03-25 06:40:55,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 77 transitions, 256 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 06:40:55,987 INFO L241 Difference]: Finished difference. Result has 67 places, 41 transitions, 104 flow [2021-03-25 06:40:55,988 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=104, PETRI_PLACES=67, PETRI_TRANSITIONS=41} [2021-03-25 06:40:55,989 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 17 predicate places. [2021-03-25 06:40:55,989 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:40:55,989 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 41 transitions, 104 flow [2021-03-25 06:40:55,989 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 41 transitions, 104 flow [2021-03-25 06:40:55,990 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 41 transitions, 104 flow [2021-03-25 06:40:55,994 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-03-25 06:40:55,994 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 06:40:55,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 41 events. 0/41 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 20 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 06:40:55,995 INFO L142 LiptonReduction]: Number of co-enabled transitions 334 [2021-03-25 06:40:57,235 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-03-25 06:40:57,475 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-03-25 06:40:58,130 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 137 [2021-03-25 06:40:58,325 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-03-25 06:40:58,759 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 137 [2021-03-25 06:40:58,952 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-03-25 06:40:58,955 INFO L154 LiptonReduction]: Checked pairs total: 441 [2021-03-25 06:40:58,955 INFO L156 LiptonReduction]: Total number of compositions: 25 [2021-03-25 06:40:58,956 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2967 [2021-03-25 06:40:58,956 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 16 transitions, 54 flow [2021-03-25 06:40:58,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 76.0) internal successors, (456), 6 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:40:58,957 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:40:58,957 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:40:58,957 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 06:40:58,958 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 06:40:58,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:40:58,958 INFO L82 PathProgramCache]: Analyzing trace with hash 471293895, now seen corresponding path program 1 times [2021-03-25 06:40:58,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:40:58,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806478175] [2021-03-25 06:40:58,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:40:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:40:59,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:40:59,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 06:40:59,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:40:59,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 06:40:59,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:40:59,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 06:40:59,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:40:59,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 06:40:59,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:40:59,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 06:40:59,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:40:59,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 06:40:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 06:40:59,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806478175] [2021-03-25 06:40:59,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 06:40:59,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 06:40:59,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449858278] [2021-03-25 06:40:59,042 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 06:40:59,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 06:40:59,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 06:40:59,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 06:40:59,044 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 167 [2021-03-25 06:40:59,044 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 16 transitions, 54 flow. Second operand has 5 states, 5 states have (on average 80.2) internal successors, (401), 5 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:40:59,045 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 06:40:59,045 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 167 [2021-03-25 06:40:59,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 06:40:59,086 INFO L129 PetriNetUnfolder]: 0/18 cut-off events. [2021-03-25 06:40:59,087 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-25 06:40:59,087 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 18 events. 0/18 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs, 0 based on Foata normal form. 7/25 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2021-03-25 06:40:59,087 INFO L132 encePairwiseOnDemand]: 163/167 looper letters, 5 selfloop transitions, 4 changer transitions 0/16 dead transitions. [2021-03-25 06:40:59,087 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 16 transitions, 72 flow [2021-03-25 06:40:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 06:40:59,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 06:40:59,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 323 transitions. [2021-03-25 06:40:59,089 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48353293413173654 [2021-03-25 06:40:59,089 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 323 transitions. [2021-03-25 06:40:59,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 323 transitions. [2021-03-25 06:40:59,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 06:40:59,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 323 transitions. [2021-03-25 06:40:59,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 80.75) internal successors, (323), 4 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:40:59,116 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 167.0) internal successors, (835), 5 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:40:59,117 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 167.0) internal successors, (835), 5 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:40:59,117 INFO L185 Difference]: Start difference. First operand has 28 places, 16 transitions, 54 flow. Second operand 4 states and 323 transitions. [2021-03-25 06:40:59,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 16 transitions, 72 flow [2021-03-25 06:40:59,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 16 transitions, 56 flow, removed 6 selfloop flow, removed 8 redundant places. [2021-03-25 06:40:59,118 INFO L241 Difference]: Finished difference. Result has 23 places, 16 transitions, 46 flow [2021-03-25 06:40:59,118 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=46, PETRI_PLACES=23, PETRI_TRANSITIONS=16} [2021-03-25 06:40:59,119 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -27 predicate places. [2021-03-25 06:40:59,119 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:40:59,119 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 23 places, 16 transitions, 46 flow [2021-03-25 06:40:59,120 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 23 places, 16 transitions, 46 flow [2021-03-25 06:40:59,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 23 places, 16 transitions, 46 flow [2021-03-25 06:40:59,122 INFO L129 PetriNetUnfolder]: 0/18 cut-off events. [2021-03-25 06:40:59,122 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 06:40:59,123 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 18 events. 0/18 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 4 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 06:40:59,123 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 06:40:59,436 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 06:40:59,436 INFO L156 LiptonReduction]: Total number of compositions: 9 [2021-03-25 06:40:59,436 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 317 [2021-03-25 06:40:59,437 INFO L480 AbstractCegarLoop]: Abstraction has has 14 places, 7 transitions, 28 flow [2021-03-25 06:40:59,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 80.2) internal successors, (401), 5 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:40:59,437 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:40:59,437 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:40:59,438 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 06:40:59,438 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 06:40:59,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:40:59,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1343806953, now seen corresponding path program 1 times [2021-03-25 06:40:59,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:40:59,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174471236] [2021-03-25 06:40:59,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:40:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:40:59,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:40:59,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:40:59,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:40:59,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 06:40:59,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:40:59,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 06:40:59,520 INFO L142 QuantifierPusher]: treesize reduction 5, result has 66.7 percent of original size [2021-03-25 06:40:59,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:40:59,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:40:59,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 06:40:59,552 INFO L142 QuantifierPusher]: treesize reduction 5, result has 66.7 percent of original size [2021-03-25 06:40:59,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:40:59,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:40:59,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:40:59,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:40:59,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:40:59,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:40:59,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 06:40:59,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 06:40:59,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174471236] [2021-03-25 06:40:59,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 06:40:59,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 06:40:59,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780930492] [2021-03-25 06:40:59,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 06:40:59,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 06:40:59,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 06:40:59,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-25 06:40:59,590 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 176 [2021-03-25 06:40:59,591 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 14 places, 7 transitions, 28 flow. Second operand has 10 states, 10 states have (on average 77.0) internal successors, (770), 10 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:40:59,591 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 06:40:59,591 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 176 [2021-03-25 06:40:59,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 06:40:59,650 INFO L129 PetriNetUnfolder]: 0/7 cut-off events. [2021-03-25 06:40:59,651 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 06:40:59,651 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24 conditions, 7 events. 0/7 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 2 event pairs, 0 based on Foata normal form. 1/8 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 06:40:59,651 INFO L132 encePairwiseOnDemand]: 170/176 looper letters, 0 selfloop transitions, 0 changer transitions 6/6 dead transitions. [2021-03-25 06:40:59,651 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 6 transitions, 34 flow [2021-03-25 06:40:59,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 06:40:59,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 06:40:59,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 538 transitions. [2021-03-25 06:40:59,653 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4366883116883117 [2021-03-25 06:40:59,653 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 538 transitions. [2021-03-25 06:40:59,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 538 transitions. [2021-03-25 06:40:59,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 06:40:59,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 538 transitions. [2021-03-25 06:40:59,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 76.85714285714286) internal successors, (538), 7 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:40:59,657 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 176.0) internal successors, (1408), 8 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:40:59,657 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 176.0) internal successors, (1408), 8 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:40:59,657 INFO L185 Difference]: Start difference. First operand has 14 places, 7 transitions, 28 flow. Second operand 7 states and 538 transitions. [2021-03-25 06:40:59,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 6 transitions, 34 flow [2021-03-25 06:40:59,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 16 places, 6 transitions, 28 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 06:40:59,658 INFO L241 Difference]: Finished difference. Result has 16 places, 0 transitions, 0 flow [2021-03-25 06:40:59,658 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=18, PETRI_DIFFERENCE_MINUEND_PLACES=10, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=6, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=6, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=16, PETRI_TRANSITIONS=0} [2021-03-25 06:40:59,658 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -34 predicate places. [2021-03-25 06:40:59,658 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:40:59,659 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 16 places, 0 transitions, 0 flow [2021-03-25 06:40:59,659 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 16 places, 0 transitions, 0 flow [2021-03-25 06:40:59,659 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-25 06:40:59,659 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-25 06:40:59,659 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 06:40:59,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-03-25 06:40:59,659 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 06:40:59,659 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 06:40:59,659 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 06:40:59,660 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2 [2021-03-25 06:40:59,660 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-25 06:40:59,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 77.0) internal successors, (770), 10 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:40:59,661 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 06:40:59,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 06:40:59 BasicIcfg [2021-03-25 06:40:59,664 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 06:40:59,665 INFO L168 Benchmark]: Toolchain (without parser) took 7002.34 ms. Allocated memory was 255.9 MB in the beginning and 432.0 MB in the end (delta: 176.2 MB). Free memory was 234.8 MB in the beginning and 320.6 MB in the end (delta: -85.8 MB). Peak memory consumption was 88.7 MB. Max. memory is 16.0 GB. [2021-03-25 06:40:59,665 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 06:40:59,665 INFO L168 Benchmark]: CACSL2BoogieTranslator took 485.28 ms. Allocated memory was 255.9 MB in the beginning and 358.6 MB in the end (delta: 102.8 MB). Free memory was 234.3 MB in the beginning and 323.1 MB in the end (delta: -88.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-03-25 06:40:59,666 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.34 ms. Allocated memory is still 358.6 MB. Free memory was 323.1 MB in the beginning and 321.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 06:40:59,666 INFO L168 Benchmark]: Boogie Preprocessor took 38.41 ms. Allocated memory is still 358.6 MB. Free memory was 321.1 MB in the beginning and 319.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 06:40:59,666 INFO L168 Benchmark]: RCFGBuilder took 431.04 ms. Allocated memory is still 358.6 MB. Free memory was 319.5 MB in the beginning and 293.3 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-03-25 06:40:59,667 INFO L168 Benchmark]: TraceAbstraction took 5984.91 ms. Allocated memory was 358.6 MB in the beginning and 432.0 MB in the end (delta: 73.4 MB). Free memory was 292.8 MB in the beginning and 320.6 MB in the end (delta: -27.8 MB). Peak memory consumption was 47.7 MB. Max. memory is 16.0 GB. [2021-03-25 06:40:59,669 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 485.28 ms. Allocated memory was 255.9 MB in the beginning and 358.6 MB in the end (delta: 102.8 MB). Free memory was 234.3 MB in the beginning and 323.1 MB in the end (delta: -88.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 55.34 ms. Allocated memory is still 358.6 MB. Free memory was 323.1 MB in the beginning and 321.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 38.41 ms. Allocated memory is still 358.6 MB. Free memory was 321.1 MB in the beginning and 319.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 431.04 ms. Allocated memory is still 358.6 MB. Free memory was 319.5 MB in the beginning and 293.3 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5984.91 ms. Allocated memory was 358.6 MB in the beginning and 432.0 MB in the end (delta: 73.4 MB). Free memory was 292.8 MB in the beginning and 320.6 MB in the end (delta: -27.8 MB). Peak memory consumption was 47.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1593.8ms, 84 PlacesBefore, 50 PlacesAfterwards, 89 TransitionsBefore, 55 TransitionsAfterwards, 1386 CoEnabledTransitionPairs, 5 FixpointIterations, 26 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 43 TotalNumberOfCompositions, 1020 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 530, positive: 508, positive conditional: 0, positive unconditional: 508, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 374, positive: 367, positive conditional: 0, positive unconditional: 367, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 374, positive: 367, positive conditional: 0, positive unconditional: 367, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 530, positive: 141, positive conditional: 0, positive unconditional: 141, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 374, unknown conditional: 0, unknown unconditional: 374] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2966.2ms, 67 PlacesBefore, 28 PlacesAfterwards, 41 TransitionsBefore, 16 TransitionsAfterwards, 334 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 25 TotalNumberOfCompositions, 441 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 254, positive: 217, positive conditional: 0, positive unconditional: 217, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 152, positive: 138, positive conditional: 0, positive unconditional: 138, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 152, positive: 138, positive conditional: 0, positive unconditional: 138, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 254, positive: 79, positive conditional: 0, positive unconditional: 79, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 152, unknown conditional: 0, unknown unconditional: 152] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 14, Positive conditional cache size: 0, Positive unconditional cache size: 14, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 316.3ms, 23 PlacesBefore, 14 PlacesAfterwards, 16 TransitionsBefore, 7 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 3 FixpointIterations, 9 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 0, Positive unconditional cache size: 3, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.7ms, 16 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 0, Positive unconditional cache size: 3, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - PositiveResult [Line: 684]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 5869.5ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 404.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1691.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 20 SDtfs, 53 SDslu, 48 SDs, 0 SdLazy, 109 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 104.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 175.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 9.7ms SsaConstructionTime, 72.6ms SatisfiabilityAnalysisTime, 289.7ms InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 402 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...